Dexter_nlb from the XDA-forums has made a mod to make the folio useable. It's actually pretty good and solves most of the issues (unresponsive screen, lag, etc.). Angry Birds and other games/apps using opengl ES 2.0 are working 
it's worth checking out if you own a folio100.
Link to the thread
it's worth checking out if you own a folio100.
Link to the thread